Datasheet AD5592R (Analog Devices) - 6

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AD5592R Data Sheet Parameter Min Typ Max Unit1 Test Conditions/Comments
GPIO INPUT Input Voltage High (VIH) 0.7 × VDD V Low (VIL) 0.3 × VDD V Input Capacitance 20 pF Hysteresis 0.2 V Input Current ±1 µA LOGIC INPUTS AD5592R Input Voltage High (VINH) 0.7 × VDD V Low (VINL) 0.3 × VDD V AD5592R-1 Input Voltage High (VINH) 0.7 × VLOGIC V Low (VINL) 0.3 × VLOGIC V Input Current (IIN) −1 +1 µA Typically 10 nA, RESET = 1 µA typical Input Capacitance (CIN) 10 pF LOGIC OUTPUT (SDO) Output High Voltage (VOH) AD5592R VDD − 0.2 V ISOURCE = 200 µA, VDD = 2.7 V to 5. 5 V AD5592R-1 VLOGIC − 0.2 V ISOURCE = 200 µA, VDD = 2.7 V to 5. 5 V Output Low Voltage (VOL) 0.4 V ISINK = 200 µA Floating-State Output Capacitance 10 pF TEMPERATURE SENSOR2 Resolution 12 Bits Operating Range −40 +105 °C Accuracy ±3 °C 5 sample averaging Track Time 5 µs ADC buffer enabled 20 µs ADC buffer disabled POWER REQUIREMENTS VDD 2.7 5.5 V IDD 2.7 mA Digital inputs = 0 V or VDD, I/O0 to I/O7 configured as DACs and ADCs, internal reference on, ADC buffer on, DAC code = 0xFFF, range is 0 V to 2 × VREF for DACs and ADCs Power-Down Mode 3.5 µA VDD = 5 V (Normal Mode) 1.6 mA I/O0 to I/O7 are DACs, internal reference, gain = 2 1 mA I/O0 to I/O7 are DACs, external reference, gain = 2 2.4 mA I/O0 to I/O7 are DACs and sampled by the ADC, internal reference, gain = 2 1.1 mA I/O0 to I/O7 are DACs and sampled by the ADC, external reference, gain = 2 1 mA I/O0 to I/O7 are ADCs, internal reference, gain = 2 0.75 mA I/O0 to I/O7 are ADCs, external reference, gain = 2 0.5 mA I/O0 to I/O7 are general-purpose outputs 0.5 mA I/O0 to I/O7 are general-purpose inputs 0.5 mA I/O0 to I/O3 are general-purpose outputs, I/O4 to I/O7 are general-purpose inputs Rev. E | Page 6 of 43 Document Outline Features Applications General Description Functional Block Diagram Revision History Functional Block Diagram (AD5592R-1) Specifications Timing Characteristics Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Terminology ADC Terminology DAC Terminology Theory of Operation DAC Section Resistor String Output Buffer ADC Section Calculating ADC Input Current GPIO Section Internal Reference RESETB Function Temperature Indicator Serial Interface Power-Up Time Write Mode Read Mode Configuring the AD5592R/AD5592R-1 General-Purpose Control Register DAC Write Operation LDAC Mode Operation DAC Readback ADC Operation Changing an ADC Sequence GPIO Operation Setting Pins as Outputs Setting Pins as Inputs Three-State Pins 85 kΩ Pull-Down Resistor Pins Power-Down Mode Reset Function Readback and LDAC Mode Register Applications Information Microprocessor Interfacing AD5592R/AD5592R-1 to SPI Interface AD5592R/AD5592R-1 to SPORT Interface Layout Guidelines Outline Dimensions Ordering Guide